Type Here to Get Search Results !



1➤ State Henry's law.

=> Ans. Statement of Henry's law: It states that the solubility of a gas in water at constant temperature is proportional to the pressure of the gas above the solution.

2➤ State Raoult's law.

=> Ans. Statement of Raoult's law: The law states that, at constant. temperature, the partial vapour pressure of any volatile component of a solution is equal to the product of vapour pressure of the pure component and the mole fraction of that component in the solution.

3➤ (3) Give mathematical expression for Ostwald's dilution law.

=> Ans. Ostwald's dilution law is expressed as KOR KV(1-x) K= where K is a dissociation constant of a weak electrolyte, Cx² (1-x) is degree of dissociation, Cis concentration in mol dm Vis dilution in dm' mol-.

4➤ State the first law of thermodynamics in different ways.

=> Ans. The first law of thermodynamics is based on the principle of conservation of energy and can be stated in different ways as follows: (1) Energy can neither be created nor destroyed, however, it may be converted from one form into another. (2) Whenever, a quantity of one kind of energy is consumed or disappears, an equivalent amount of another kind of energy appears. (3) The total mass and energy of an isolated system remain constant, although there may be interconservation of energy from one form to another. (4) The total energy of the universe remains constant.

Hollywood Movies



360 degree view

360 degree view

In chapter test, questions from every concept is

 given to test your understanding for each


20 questions 40 minutes challenge

20 questions 40 minutes challenge

Its like a chapter marathon where you will get

 only 2 minutes per question.

3 stage analysis

3 stage analysis

For 40 minutes our system analyses your

 speed, skills and knowledge based on your

 interaction with different questions.

Instant score

Instant score

As soon as you submit your test, your answers

 are evaluated and score is provided along with

 various test parameters for every subject.

Review system